Armchair



FIG. 1 is a front perspective view showing an armchair;

FIG. 2 is a front view of the armchair of FIG. 1;

FIG. 3 is a rear view of the armchair of FIG. 1, opposite that of FIG.2;

FIG. 4 is a side view of the armchair of FIG. 1;

FIG. 5 is another side view of the armchair of FIG. 1 from a sideopposite that of FIG. 4; and,

FIG. 6 is a top plan view of the armchair of FIG. 1.

CLAIM The ornamental design for the armchair, as shown and described.